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✏️ Editing: hero.php

<?php
/*
Widget Name: Hero Image
Description: A big hero image with a few settings to make it your own.
Author: SiteOrigin
Author URI: https://siteorigin.com
Documentation: https://siteorigin.com/widgets-bundle/hero-image-widget/
*/

if( !class_exists( 'SiteOrigin_Widget_Base_Slider' ) ) include_once plugin_dir_path(SOW_BUNDLE_BASE_FILE) . '/base/inc/widgets/base-slider.class.php';

class SiteOrigin_Widget_Hero_Widget extends SiteOrigin_Widget_Base_Slider {

protected $buttons = array();

function __construct() {
		parent::__construct(
			'sow-hero',
			__('SiteOrigin Hero', 'so-widgets-bundle'),
			array(
				'description' => __('A big hero image with a few settings to make it your own.', 'so-widgets-bundle'),
				'help' => 'https://siteorigin.com/widgets-bundle/hero-image-widget/',
				'panels_title' => false,
			),
			array( ),
			false,
			plugin_dir_path(__FILE__)
		);
	}

function initialize(){
		// This widget requires the button widget
		if( !class_exists('SiteOrigin_Widget_Button_Widget') ) {
			SiteOrigin_Widgets_Bundle::single()->include_widget( 'button' );
		}
		
		add_action( 'siteorigin_widgets_enqueue_frontend_scripts_' . $this->id_base, array( $this, 'enqueue_widget_scripts' ) );
		
		add_filter( 'siteorigin_widgets_wrapper_classes_' . $this->id_base, array( $this, 'wrapper_class_filter' ), 10, 2 );
		add_filter( 'siteorigin_widgets_wrapper_data_' . $this->id_base, array( $this, 'wrapper_data_filter' ), 10, 2 );

// Let the slider base class do its initialization
		parent::initialize();
	}

function get_widget_form(){
		return array(
			'frames' => array(
				'type' => 'repeater',
				'label' => __('Hero frames', 'so-widgets-bundle'),
				'item_name' => __('Frame', 'so-widgets-bundle'),
				'item_label' => array(
					'selector' => "[id*='frames-title']",
					'update_event' => 'change',
					'value_method' => 'val'
				),

'fields' => array(

'content' => array(
						'type' => 'tinymce',
						'label' => __( 'Content', 'so-widgets-bundle' ),
					),

'buttons' => array(
						'type' => 'repeater',
						'label' => __('Buttons', 'so-widgets-bundle'),
						'item_name' => __('Button', 'so-widgets-bundle'),
						'description' => __('Add [buttons] shortcode to the content to insert these buttons.', 'so-widgets-bundle'),

'item_label' => array(
							'selector' => "[id*='buttons-button-text']",
							'update_event' => 'change',
							'value_method' => 'val'
						),
						'fields' => array(
							'button' => array(
								'type' => 'widget',
								'class' => 'SiteOrigin_Widget_Button_Widget',
								'label' => __('Button', 'so-widgets-bundle'),
								'form_filter' => array( $this, 'filter_button_widget_form' ),
								'collapsible' => false,
							)
						)
					),

'background' => array(
						'type' => 'section',
						'label' => __('Background', 'so-widgets-bundle'),
						'fields' => array(
							'image' => array(
								'type' => 'media',
								'label' => __( 'Background image', 'so-widgets-bundle' ),
								'library' => 'image',
								'fallback' => true,
							),

'size' => array(
								'type' => 'image-size',
								'label' => __('Image size', 'so-widgets-bundle'),
							),

'image_type' => array(
								'type' => 'select',
								'label' => __('Background image type', 'so-widgets-bundle'),
								'options' => array(
									'cover' => __('Cover', 'so-widgets-bundle'),
								),
								'default' => 'cover',
							),

'opacity' => array(
								'label' => __( 'Background image opacity', 'so-widgets-bundle' ),
								'type' => 'slider',
								'min' => 0,
								'max' => 100,
								'default' => 100,
							),

'color' => array(
								'type' => 'color',
								'label' => __( 'Background color', 'so-widgets-bundle' ),
								'default' => '#333333',
							),

'url' => array(
								'type' => 'link',
								'label' => __( 'Destination URL', 'so-widgets-bundle' ),
							),

'new_window' => array(
								'type' => 'checkbox',
								'label' => __( 'Open URL in a new window', 'so-widgets-bundle' ),
							),

'videos' => array(
								'type' => 'repeater',
								'item_name' => __('Video', 'so-widgets-bundle'),
								'label' => __('Background videos', 'so-widgets-bundle'),
								'item_label' => array(
									'selector' => "[id*='frames-background_videos-url']",
									'update_event' => 'change',
									'value_method' => 'val'
								),
								'fields' => $this->video_form_fields(),
							),
						)
					),
				),
			),

'controls' => array(
				'type' => 'section',
				'label' => __('Slider Controls', 'so-widgets-bundle'),
				'fields' => $this->control_form_fields()
			),

'design' => array(
				'type' => 'section',
				'label' => __('Design and Layout', 'so-widgets-bundle'),
				'fields' => array(

'height' => array(
						'type' => 'measurement',
						'label' => __( 'Height', 'so-widgets-bundle' ),
						'default' => 'default',
					),

'height_responsive' => array(
						'type' => 'measurement',
						'label' => __( 'Responsive Height', 'so-widgets-bundle' ),
						'default' => 'default',
					),

'vertically_align' => array(
						'type' => 'checkbox',
						'label' => __( 'Vertically center align slide contents', 'so-widgets-bundle' ),
						'description' => __( 'For perfect centering, consider setting the Extra top padding setting to 0 when enabling this setting.', 'so-widgets-bundle' ),
					),

'padding' => array(
						'type' => 'measurement',
						'label' => __('Top and bottom padding', 'so-widgets-bundle'),
						'default' => '50px',
					),

'extra_top_padding' => array(
						'type' => 'measurement',
						'label' => __('Extra top padding', 'so-widgets-bundle'),
						'description' => __('Additional padding added to the top of the slider', 'so-widgets-bundle'),
						'default' => '0px',
					),

'padding_sides' => array(
						'type' => 'measurement',
						'label' => __('Side padding', 'so-widgets-bundle'),
						'default' => '20px',
					),

'width' => array(
						'type' => 'measurement',
						'label' => __('Maximum container width', 'so-widgets-bundle'),
						'default' => '1280px',
					),

'heading_font' => array(
						'type' => 'font',
						'label' => __('Heading font', 'so-widgets-bundle'),
						'default' => '',
					),

'heading_color' => array(
						'type' => 'color',
						'label' => __('Heading color', 'so-widgets-bundle'),
						'default' => '#FFFFFF',
					),

'heading_size' => array(
						'type' => 'measurement',
						'label' => __('Heading size', 'so-widgets-bundle'),
						'description' => __( 'Enter the h1 font size. h2 - h6 will be proportionally sized based on this value.', 'so-widgets-bundle' ),
						'default' => '38px',
					),

'fittext' => array(
						'type' => 'checkbox',
						'label' => __( 'Use FitText', 'so-widgets-bundle' ),
						'description' => __( 'Dynamically adjust your heading font size based on screen size.', 'so-widgets-bundle' ),
						'default' => true,
						'state_emitter' => array(
							'callback' => 'conditional',
							'args'     => array(
								'use_fittext[show]: val',
								'use_fittext[hide]: ! val'
							),
						),
					),

'fittext_compressor' => array(
						'type' => 'number',
						'label' => __( 'FitText compressor strength', 'so-widgets-bundle' ),
						'description' => __( 'The higher the value, the more your headings will be scaled down. Values above 1 are allowed.', 'so-widgets-bundle' ),
						'default' => 0.85,
						'step' => 0.01,
						'state_handler' => array(
							'use_fittext[show]' => array( 'show' ),
							'use_fittext[hide]' => array( 'hide' ),
						)
					),

'heading_shadow' => array(
						'type' => 'slider',
						'label' => __( 'Heading shadow intensity', 'so-widgets-bundle' ),
						'max' => 100,
						'min' => 0,
						'default' => 50,
					),

'text_color' => array(
						'type' => 'color',
						'label' => __( 'Text color', 'so-widgets-bundle' ),
						'default' => '#F6F6F6',
					),
					'text_size' => array(
						'type' => 'measurement',
						'label' => __( 'Text size', 'so-widgets-bundle' ),
						'default' => '16px',
					),
					'text_font' => array(
						'type' => 'font',
						'label' => __( 'Text font', 'so-widgets-bundle' ),
						'default' => '',
					),
					'text_shadow' => array(
						'type' => 'slider',
						'label' => __( 'Text shadow intensity', 'so-widgets-bundle' ),
						'max' => 1,
						'min' => 0,
						'step' => 0.01,
						'default' => 0.25,
					),

'link_color' => array(
						'type' => 'color',
						'label' => __( 'Link color', 'so-widgets-bundle' )
					),

'link_color_hover' => array(
						'type' => 'color',
						'label' => __( 'Link hover color', 'so-widgets-bundle' )
					),

)
			),
		);
	}
	
	function filter_button_widget_form( $form_fields ) {
		
		unset( $form_fields['design']['fields']['align'] );
		
		return $form_fields;
	}

/**
	 * Get everything necessary for the background image.
	 *
	 * @param $i
	 * @param $frame
	 *
	 * @return array
	 */
	function get_frame_background( $i, $frame ) {
		$background_image = siteorigin_widgets_get_attachment_image_src(
			$frame['background']['image'],
			!empty( $frame['background']['size'] ) ? $frame['background']['size'] : 'full',
			!empty( $frame['background']['image_fallback'] ) ? $frame['background']['image_fallback'] : ''
		);

return array(
			'color' => !empty( $frame['background']['color'] ) ? $frame['background']['color'] : false,
			'image' => !empty( $background_image[0] ) ? $background_image[0] : false,
			'image-width' => !empty( $background_image[1] ) ? $background_image[1] : 0,
			'image-height' => !empty( $background_image[2] ) ? $background_image[2] : 0,
			'image-sizing' => $frame['background']['image_type'],
			'url' => !empty( $frame['background']['url'] ) ? $frame['background']['url'] : false,
			'new_window' => !empty( $frame['background']['new_window'] ),
			'videos' => $frame['background']['videos'],
			'video-sizing' => 'background',
			'opacity' => intval($frame['background']['opacity'])/100,
		);
	}

/**
	 * Render the actual content of the frame
	 *
	 * @param $i
	 * @param $frame
	 */
	function render_frame_contents($i, $frame) {
		?>
		<div class="sow-slider-image-container">
			<div class="sow-slider-image-wrapper">
				<?php echo $this->process_content( $frame['content'], $frame ); ?>
			</div>
		</div>
		<?php
	}

/**
	 * Process the content. Most importantly add the buttons by replacing [buttons] in the content
	 *
	 * @param $content
	 * @param $frame
	 *
	 * @return string
	 */
	function process_content( $content, $frame ) {

$content = wp_kses_post($content);
		if ( strpos( $content, '[buttons]' ) !== false ) {
			ob_start();
			foreach( $frame['buttons'] as $button ) {
				$this->sub_widget('SiteOrigin_Widget_Button_Widget', array(), $button['button']);
			}
			$button_code = ob_get_clean();

// Add in the button code
			$content = preg_replace('/(?:<(?:p|h\d|em|strong|li|blockquote) *([^>]*)> *)?\[ *buttons *\](:? *<\/(?:p|h\d|em|strong|li|blockquote)>)?/i', '<div class="sow-hero-buttons" $1>' . $button_code . '</div>', $content );
		}
		
		// Process normal shortcodes
		$content = do_shortcode( shortcode_unautop( $content ) );
		
		return apply_filters( 'siteorigin_hero_frame_content', $content, $frame );
	}

/**
	 * The less variables to control the design of the slider
	 *
	 * @param $instance
	 *
	 * @return array
	 */
	function get_less_variables($instance) {
		$less = array();

if ( empty( $instance ) ) {
			return $less;
		}

// Slider navigation controls
		$less['nav_color_hex'] = $instance['controls']['nav_color_hex'];
		$less['nav_size'] = $instance['controls']['nav_size'];

// Hero specific design
		// Measurement field type options
		$meas_options = array();
		$meas_options['slide_padding'] = $instance['design']['padding'];
		$meas_options['slide_padding_extra_top'] = $instance['design']['extra_top_padding'];
		$meas_options['slide_padding_sides'] = $instance['design']['padding_sides'];
		$meas_options['slide_width'] = $instance['design']['width'];
		$meas_options['slide_height'] = $instance['design']['height'];
		if ( ! empty( $instance['design']['height_responsive'] ) ) {
			$meas_options['slide_height_responsive'] = $instance['design']['height_responsive'];
		}
		$meas_options['heading_size'] = $instance['design']['heading_size'];
		$meas_options['text_size'] = $instance['design']['text_size'];

foreach ( $meas_options as $key => $val ) {
			$less[ $key ] = $this->add_default_measurement_unit( $val );
		}

$less['vertically_align'] = empty( $instance['design']['vertically_align'] ) ? 'false' : 'true';

$less['heading_shadow'] = intval( $instance['design']['heading_shadow'] );
		$less['heading_color'] = $instance['design']['heading_color'];
		$less['text_shadow'] = isset( $instance['design']['text_shadow'] ) ? floatval( $instance['design']['text_shadow'] ) : 0.25;
		$less['text_color'] = $instance['design']['text_color'];

$less['link_color'] = ! empty( $instance['design']['link_color'] ) ? $instance['design']['link_color'] : '';
		$less['link_color_hover'] = ! empty( $instance['design']['link_color_hover'] ) ? $instance['design']['link_color_hover'] : '';

$heading_font = siteorigin_widget_get_font( $instance['design']['heading_font'] );
		$less['heading_font'] = $heading_font['family'];
		if ( ! empty( $heading_font['weight'] ) ) {
			$less['heading_font_weight'] = $heading_font['weight'];
		}
		
		if ( ! empty( $instance['design']['text_font'] ) ) {
			$text_font = siteorigin_widget_get_font( $instance['design']['text_font'] );
			$less['text_font'] = $text_font['family'];
			if ( ! empty( $text_font['weight'] ) ) {
				$less['text_font_weight'] = $text_font['weight'];
			}
		}

$global_settings = $this->get_global_settings();

if ( ! empty( $global_settings['responsive_breakpoint'] ) ) {
			$less['responsive_breakpoint'] = $global_settings['responsive_breakpoint'];
		}

return $less;
	}

function add_default_measurement_unit($val) {
		if (!empty($val)) {
			if (!preg_match('/\d+([a-zA-Z%]+)/', $val)) {
				$val .= 'px';
			}
		}
		return $val;
	}

function wrapper_class_filter( $classes, $instance ){
		if( ! empty( $instance['design']['fittext'] ) ) {
			$classes[] = 'so-widget-fittext-wrapper';
		}
		return $classes;
	}

siteorigin_widget_register('sow-hero', __FILE__, 'SiteOrigin_Widget_Hero_Widget');

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